Question # 1

All metals are solid at ________________ temperature.

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Room

High

Low

None

Metal oxides are

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Amphoteric

Basic

Acidic

Neutral

.................... of an atom is not fixed.

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Size

Mass

Electronegativity

Nuclear char

The reverse of evaporation is:

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Boiling

Diffusion

Condensation

Freezing

Mist is an example of solution:

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liquid in gas

gas in liquid

solid gas

gas in solid

It is heterogeneous mixture

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Sand

Milk

Air

Brass

When an electronegative element combines electropositive element the type of bonding is

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covalent

ionic

polar covalent

coordinate covalent

Mobility is property of ____________

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Liquid

Gases

A & b

Nil

Which shows Tyndall Effect?

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Slution

Colloid

Suspension

True solution

The number of proton in an atom is called _________ number.

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Molecule

Formula

Atomic

Molar

For diagnosis of goiter in thyroid gland we use

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Co-60

C-14

I-131

Sr-90

Which one is not a tetraatomic molecular?

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H2O

H2O2

SO3

BCL3

Which one is the following belongs no Noble Gases?

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O

F

Ne

Nil

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9th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers

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